/// <summary>
/// 得到一个对象实体(重载，带事务)
/// </summary>
public Hoto.Model.category GetModel(SqlConnection conn, SqlTransaction trans, int id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 id,channel_id,title,call_index,parent_id,class_list,class_layer,sort_id,link_url,img_url,content,seo_title,seo_keywords,seo_description from dt_category ");
strSql.Append(" where id=@id");
SqlParameter[] parameters =
{
new SqlParameter("@id", SqlDbType.Int, 4)
};
parameters[0].Value = id;
Hoto.Model.category model = new Hoto.Model.category();
DataSet ds = DbHelperSQL.Query(conn, trans, strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["id"] != null && ds.Tables[0].Rows[0]["id"].ToString() != "")
{
model.id = int.Parse(ds.Tables[0].Rows[0]["id"].ToString());
}
if (ds.Tables[0].Rows[0]["channel_id"] != null && ds.Tables[0].Rows[0]["channel_id"].ToString() != "")
{
model.channel_id = int.Parse(ds.Tables[0].Rows[0]["channel_id"].ToString());
}
if (ds.Tables[0].Rows[0]["title"] != null && ds.Tables[0].Rows[0]["title"].ToString() != "")
{
model.title = ds.Tables[0].Rows[0]["title"].ToString();
}
if (ds.Tables[0].Rows[0]["call_index"] != null && ds.Tables[0].Rows[0]["call_index"].ToString() != "")
{
model.call_index = ds.Tables[0].Rows[0]["call_index"].ToString();
}
if (ds.Tables[0].Rows[0]["parent_id"] != null && ds.Tables[0].Rows[0]["parent_id"].ToString() != "")
{
model.parent_id = int.Parse(ds.Tables[0].Rows[0]["parent_id"].ToString());
}
if (ds.Tables[0].Rows[0]["class_list"] != null && ds.Tables[0].Rows[0]["class_list"].ToString() != "")
{
model.class_list = ds.Tables[0].Rows[0]["class_list"].ToString();
}
if (ds.Tables[0].Rows[0]["class_layer"] != null && ds.Tables[0].Rows[0]["class_layer"].ToString() != "")
{
model.class_layer = int.Parse(ds.Tables[0].Rows[0]["class_layer"].ToString());
}
if (ds.Tables[0].Rows[0]["sort_id"] != null && ds.Tables[0].Rows[0]["sort_id"].ToString() != "")
{
model.sort_id = int.Parse(ds.Tables[0].Rows[0]["sort_id"].ToString());
}
if (ds.Tables[0].Rows[0]["link_url"] != null && ds.Tables[0].Rows[0]["link_url"].ToString() != "")
{
model.link_url = ds.Tables[0].Rows[0]["link_url"].ToString();
}
if (ds.Tables[0].Rows[0]["img_url"] != null && ds.Tables[0].Rows[0]["img_url"].ToString() != "")
{
model.img_url = ds.Tables[0].Rows[0]["img_url"].ToString();
}
if (ds.Tables[0].Rows[0]["content"] != null && ds.Tables[0].Rows[0]["content"].ToString() != "")
{
model.content = ds.Tables[0].Rows[0]["content"].ToString();
}
if (ds.Tables[0].Rows[0]["seo_title"] != null && ds.Tables[0].Rows[0]["seo_title"].ToString() != "")
{
model.seo_title = ds.Tables[0].Rows[0]["seo_title"].ToString();
}
if (ds.Tables[0].Rows[0]["seo_keywords"] != null && ds.Tables[0].Rows[0]["seo_keywords"].ToString() != "")
{
model.seo_keywords = ds.Tables[0].Rows[0]["seo_keywords"].ToString();
}
if (ds.Tables[0].Rows[0]["seo_description"] != null && ds.Tables[0].Rows[0]["seo_description"].ToString() != "")
{
model.seo_description = ds.Tables[0].Rows[0]["seo_description"].ToString();
}
return(model);
}
else
{
return(null);
}
}
/// <summary>
/// 得到一个对象实体(重载，带事务)
/// </summary>
public Hoto.Model.category GetModel(SqlConnection conn, SqlTransaction trans, int id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 id,channel_id,title,call_index,parent_id,class_list,class_layer,sort_id,link_url,img_url,content,seo_title,seo_keywords,seo_description from dt_category ");
strSql.Append(" where id=@id");
SqlParameter[] parameters = {
new SqlParameter("@id", SqlDbType.Int,4)};
parameters[0].Value = id;
Hoto.Model.category model = new Hoto.Model.category();
DataSet ds = DbHelperSQL.Query(conn, trans, strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["id"] != null && ds.Tables[0].Rows[0]["id"].ToString() != "")
{
model.id = int.Parse(ds.Tables[0].Rows[0]["id"].ToString());
}
if (ds.Tables[0].Rows[0]["channel_id"] != null && ds.Tables[0].Rows[0]["channel_id"].ToString() != "")
{
model.channel_id = int.Parse(ds.Tables[0].Rows[0]["channel_id"].ToString());
}
if (ds.Tables[0].Rows[0]["title"] != null && ds.Tables[0].Rows[0]["title"].ToString() != "")
{
model.title = ds.Tables[0].Rows[0]["title"].ToString();
}
if (ds.Tables[0].Rows[0]["call_index"] != null && ds.Tables[0].Rows[0]["call_index"].ToString() != "")
{
model.call_index = ds.Tables[0].Rows[0]["call_index"].ToString();
}
if (ds.Tables[0].Rows[0]["parent_id"] != null && ds.Tables[0].Rows[0]["parent_id"].ToString() != "")
{
model.parent_id = int.Parse(ds.Tables[0].Rows[0]["parent_id"].ToString());
}
if (ds.Tables[0].Rows[0]["class_list"] != null && ds.Tables[0].Rows[0]["class_list"].ToString() != "")
{
model.class_list = ds.Tables[0].Rows[0]["class_list"].ToString();
}
if (ds.Tables[0].Rows[0]["class_layer"] != null && ds.Tables[0].Rows[0]["class_layer"].ToString() != "")
{
model.class_layer = int.Parse(ds.Tables[0].Rows[0]["class_layer"].ToString());
}
if (ds.Tables[0].Rows[0]["sort_id"] != null && ds.Tables[0].Rows[0]["sort_id"].ToString() != "")
{
model.sort_id = int.Parse(ds.Tables[0].Rows[0]["sort_id"].ToString());
}
if (ds.Tables[0].Rows[0]["link_url"] != null && ds.Tables[0].Rows[0]["link_url"].ToString() != "")
{
model.link_url = ds.Tables[0].Rows[0]["link_url"].ToString();
}
if (ds.Tables[0].Rows[0]["img_url"] != null && ds.Tables[0].Rows[0]["img_url"].ToString() != "")
{
model.img_url = ds.Tables[0].Rows[0]["img_url"].ToString();
}
if (ds.Tables[0].Rows[0]["content"] != null && ds.Tables[0].Rows[0]["content"].ToString() != "")
{
model.content = ds.Tables[0].Rows[0]["content"].ToString();
}
if (ds.Tables[0].Rows[0]["seo_title"] != null && ds.Tables[0].Rows[0]["seo_title"].ToString() != "")
{
model.seo_title = ds.Tables[0].Rows[0]["seo_title"].ToString();
}
if (ds.Tables[0].Rows[0]["seo_keywords"] != null && ds.Tables[0].Rows[0]["seo_keywords"].ToString() != "")
{
model.seo_keywords = ds.Tables[0].Rows[0]["seo_keywords"].ToString();
}
if (ds.Tables[0].Rows[0]["seo_description"] != null && ds.Tables[0].Rows[0]["seo_description"].ToString() != "")
{
model.seo_description = ds.Tables[0].Rows[0]["seo_description"].ToString();
}
return model;
}
else
{
return null;
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Hoto.Model.category model)
{
using (SqlConnection conn = new SqlConnection(DbHelperSQL.connectionString))
{
conn.Open();
using (SqlTransaction trans = conn.BeginTransaction())
{
try
{
//先判断选中的父节点是否被包含
if (IsContainNode(model.id, model.parent_id))
{
//查找旧数据
Model.category oldModel = GetModel(model.id);
//查找旧父节点数据
string class_list = "," + model.parent_id + ",";
int class_layer = 1;
if (oldModel.parent_id > 0)
{
Model.category oldParentModel = GetModel(conn, trans, oldModel.parent_id); //带事务
class_list = oldParentModel.class_list + model.parent_id + ",";
class_layer = oldParentModel.class_layer + 1;
}
//先提升选中的父节点
DbHelperSQL.ExecuteSql(conn, trans, "update dt_category set parent_id=" + oldModel.parent_id + ",class_list='" + class_list + "', class_layer=" + class_layer + " where id=" + model.parent_id); //带事务
UpdateChilds(conn, trans, model.parent_id); //带事务
}
//更新子节点
if (model.parent_id > 0)
{
Model.category model2 = GetModel(conn, trans, model.parent_id); //带事务
model.class_list = model2.class_list + model.id + ",";
model.class_layer = model2.class_layer + 1;
}
else
{
model.class_list = "," + model.id + ",";
model.class_layer = 1;
}
StringBuilder strSql = new StringBuilder();
strSql.Append("update dt_category set ");
strSql.Append("channel_id=@channel_id,");
strSql.Append("title=@title,");
strSql.Append("call_index=@call_index,");
strSql.Append("parent_id=@parent_id,");
strSql.Append("class_list=@class_list,");
strSql.Append("class_layer=@class_layer,");
strSql.Append("sort_id=@sort_id,");
strSql.Append("link_url=@link_url,");
strSql.Append("img_url=@img_url,");
strSql.Append("content=@content,");
strSql.Append("seo_title=@seo_title,");
strSql.Append("seo_keywords=@seo_keywords,");
strSql.Append("seo_description=@seo_description");
strSql.Append(" where id=@id");
SqlParameter[] parameters =
{
new SqlParameter("@channel_id", SqlDbType.Int, 4),
new SqlParameter("@title", SqlDbType.NVarChar, 100),
new SqlParameter("@call_index", SqlDbType.NVarChar, 50),
new SqlParameter("@parent_id", SqlDbType.Int, 4),
new SqlParameter("@class_list", SqlDbType.NVarChar, 500),
new SqlParameter("@class_layer", SqlDbType.Int, 4),
new SqlParameter("@sort_id", SqlDbType.Int, 4),
new SqlParameter("@link_url", SqlDbType.NVarChar, 255),
new SqlParameter("@img_url", SqlDbType.NVarChar, 255),
new SqlParameter("@content", SqlDbType.NText),
new SqlParameter("@seo_title", SqlDbType.NVarChar, 255),
new SqlParameter("@seo_keywords", SqlDbType.NVarChar, 255),
new SqlParameter("@seo_description", SqlDbType.NVarChar, 255),
new SqlParameter("@id", SqlDbType.Int, 4)
};
parameters[0].Value = model.channel_id;
parameters[1].Value = model.title;
parameters[2].Value = model.call_index;
parameters[3].Value = model.parent_id;
parameters[4].Value = model.class_list;
parameters[5].Value = model.class_layer;
parameters[6].Value = model.sort_id;
parameters[7].Value = model.link_url;
parameters[8].Value = model.img_url;
parameters[9].Value = model.content;
parameters[10].Value = model.seo_title;
parameters[11].Value = model.seo_keywords;
parameters[12].Value = model.seo_description;
parameters[13].Value = model.id;
DbHelperSQL.ExecuteSql(conn, trans, strSql.ToString(), parameters);
//更新子节点
UpdateChilds(conn, trans, model.id);
trans.Commit();
}
catch
{
trans.Rollback();
return(false);
}
}
}
return(true);
}
